Cap for an injection device



FIG. 1 is a front top-left perspective view of a cap for an injection device;

FIG. 2 is a front bottom-left perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a first side view thereof, with the opposite side view being the same;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for a cap for an injection device, as shown and described. 